Access your full indirect tax data universe in one place

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Fonoa AI Audit gives you instant access to every transaction, calculation, invoice, and filing across your entire indirect tax history. Answer audit questions in minutes, not weeks.

Every question answered. Every record found.

Instant search across all tax data

Query every transaction, invoice, and filing in seconds. No more hunting through spreadsheets or contacting multiple systems.

Natural language queries

Ask questions in plain English and get precise, cited answers drawn from your actual tax data.

Full audit trail on every record

Every calculation, submission, and change is logged with complete context so you can trace any record to its source.

One-click audit package export

Generate comprehensive audit packs in the format your tax authority requires, at the push of a button.

Connects to your full Fonoa AI data

Audit spans your entire Fonoa AI footprint — Validate, Tax Engine, E-Invoicing, and Returns — in one unified view.

Collaborative review

Share specific records, annotate findings, and assign follow-ups to your team without leaving the platform.

Built on trust. Measured in results.

100%
Customer retention
Every customer who started 2025 with us renewed.
97%
Ease of doing business
G2 reviewers highlighted end-to-end collaboration and availability.
94%
Quality of support
G2 reviewers highlighted response times and expertise.
4.6/5
Gartner Peer Insights rating
Independent reviews from verified enterprise users.

How teams use Audit

Responding to a tax authority query

Find every relevant transaction, calculation, and submission in minutes. Generate a complete response pack without manual data gathering.

Internal compliance reviews

Run periodic self-audits across all jurisdictions to catch anomalies before they become authority enquiries.

M&A and due diligence

Provide complete indirect tax history to acquirers or advisors quickly, with full traceability and documentation.

Don't just take our word for it.
Why companies around the world prefer Fonoa AI.

Customer stories
One Jae Paik

Fonoa AI is a core piece of indirect tax infrastructure.

One Jae Paik
Tax Director at Fin
36
countries
58.8%
reduction in errors
100%
automated validation
Wei Jie Siow

Fonoa AI is one of the few platforms that truly understands digital economy businesses and supports the full indirect tax lifecycle.

Wei Jie Siow
Tax Director at Coda
90%
faster tax calculation
4
week implementation
2M
transactions per year
Renan Bastazini

When we talk about scaling, we want to automatically trigger an API to see if the tax ID is valid or not. Fonoa AI's API was a huge differentiator.

Renan Bastazini
Staff Technical Program Manager at Wellhub
33%
reduction in tax ID validation tickets
15%
submitted IDs caught as invalid
#1
API speed vs. other vendors
Kirsten Best

Fonoa AI's solutions aren't just saving us time, they're helping us stay ahead of regulatory change, globally.

Kirsten Best
Head of VAT at Remote
480
hours saved per year
95+
countries live
100s
corrected VAT IDs

Rated by the people who rely on us

Built on trust.
Measured in results.

100%
Customer retention
Every customer who started 2025 with us renewed.
97%
Ease of doing business
G2 reviewers highlighted end-to-end collaboration and availability.
94%
Quality of support
G2 reviewers highlighted response times and expertise.
4.6/5
Gartner Peer Insights rating
Independent reviews from verified enterprise users.